Caused by IllegalStateException: No GORM implementations configured. Ensure GORM has been initialized correctly ->> 383 | findSingleDatastore in org.grails.datastore.gorm.GormEnhancer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 402 | findSingleTransactionManager in '' | 221 | xml_instance_generator in OptController.groovy | 211 | invoke in org.grails.core.DefaultGrailsControllerClass$ReflectionInvoker | 188 | invoke . . . . . in org.grails.core.DefaultGrailsControllerClass | 90 | handle in org.grails.web.mapping.mvc.UrlMappingsInfoHandlerAdapter | 967 | doDispatch . . . in org.springframework.web.servlet.DispatcherServlet | 901 | doService in '' | 970 | processRequest . in org.springframework.web.servlet.FrameworkServlet | 872 | doPost in '' | 846 | service . . . . in '' | 55 | doFilterInternal in org.springframework.boot.web.filter.ApplicationContextHeaderFilter | 77 | doFilterInternal in org.grails.web.servlet.mvc.GrailsWebRequestFilter | 67 | doFilterInternal in org.grails.web.filters.HiddenHttpMethodFilter | 1149 | runWorker . . . in java.util.concurrent.ThreadPoolExecutor | 624 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 748 | run . . . . . . in java.lang.Thread